Fixing apparatus

Details Fixing apparatus Fixing apparatus

1993-06-11

1994-05-24

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

219216, 219469, G03G 1520

Patent

active

053153561

ABSTRACT:
A fixing apparatus, for fixing a toner on a recording material by using Joule heat which is generated by applying a voltage across the conductors or across the electrodes to supply a current mostly to a fixing portion, (I) comprises a heating device having a first conductive layer, a pressure-sensitive conductive resin layer which is formed on the first conductive layer, and a second conductive layer formed on the pressure-sensitive conductive resin layer, (II) comprises a heating device having a first conductor and a fixing sheet substantially made of a pressure-sensitive conductive resin layer and a second conductive layer, or (III) comprises a heating device having a fixing sheet made of a heat-generating resistor and first and second electrodes insulated from each other.

REFERENCES:
patent: 3649810 (1972-03-01), Tsuboi et al.
patent: 3883213 (1975-05-01), Glaister
patent: 4013871 (1977-03-01), Namiki et al.
patent: 4273682 (1981-06-01), Kanamori
patent: 4292261 (1981-09-01), Kotani et al.
patent: 4544828 (1985-10-01), Shigenobu et al.
patent: 4825041 (1989-04-01), Nagumo et al.
patent: 5084738 (1992-01-01), Ishikawa

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